Hub-cap-locking device



Aug. 14, 1923. 31,464,332

Em FHQE HUB CAP LOCKING DEVICE Filed Aug. 27, lQIQ 2 Sh e -Shegt l 144 k 1 7 10 12 a 17 10 J Aug. 14, 1923.

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atented Aug. lei, 123.

MENTS, TO RUDD WHEEL CQMPANY,

CORPORATI QN GE PENNSYLVANIA.

0Z5 PHIIADELPBIIA, PENNSYLVMFEA, 5.

hunches-cosine DEVICE.

Application filed August 2?, 1919.

To all whom it may concern.

Be it known that 1, Lewis residing at Philadelphia, Philadelphia bounty, State of Pennsylvania, have invented certain new and useful Improvements in Hub- Cap-Locking Devices, of which I declare the following to be a full, clear, and exact description.

This invention relates to improvements in hub cap locking devices for demountable wheels.

The principal object of.my invention is to provide an improved device for locking the hub cap of a demountable wheel, which-device shall be more simple and convenient in operation and more nearly fool-proof? than other devices of this nature with which "i am familiar. A

Another object of my invention is to provide a locking device for the hub caps of demountable wheels which may be constructed at a low cost, assembled readily and which is particularly adapted. to quantity production. I

Another object of my invention is to'provide a hub cap locking device so constructed. as to co-operate with a keeper member on one of the hubs, whichkeeper member may be formed on the hub easily and cheaply.

Another object of my invention is to provide a hub cap locking device, of the type which. is actuated by the application of a wrench to the hub cap, which is adapt-ed tor be actuated by a wrench of very simple form and construction.

Further objects, and'objects relating to production andoperation will definitely ap pear from the detailed description to follow.

of my invention by the devices and means de scribed in the following specification. My invention is clearly defined and pointed out in the appended claims. A. structure constituting a preferred embodiment of my invention is illustrated in the accompanying drawing, forming a part of this specifica tion, in which:

Figure I is a vertical, sectional view through the hub part of a wheel provided with a hub cap locking device embodying my invention.

Serial No. 320,179.

Figure 11 is a transverse, sectional view, taken on the line 2-2 of Figure l.

Figure III is a view in end elevation of a hub cap having my improved locking device.

Figure IV is a sectional View through a hub cap similar to that shown in Figure I but showing a locking device in which the till latch guide pin is fixed at one side of the Figure VIII is a transverse, sectional view through said hub cap taken on the line 8-8 of Figure VII. a

In the drawings, similar reference nurnerals refer to similar parts throughout the several views, and the sectional views are taken looking in the direction of the. little arrows at the ends of the section lines.

Considering the numbered parts of the drawing, I have shown a demountable wheel.

including an inner hub 2 mounted on the end of the axle shaft 1 and secured thereto by means of the spline 3 and the axle nut 4:. The inner hub has, at its inner end, a radial details of construction and economies of flange 5 to which the brake drum 6 is fastened by means of the bolts 7. The inner hub has a central fiange8 provided with. In one instance, I accomplish the objects an external. frusto-pyramidal seating surface in which a plurality of slots 9 are formed. The outer end. 10 of the inner hub 2 is cylindrical in form. and. internally threaded at 11. The outer hub 12 is mount- -15 connecting the hub with the rim outer hub shell. The outer end of the outer hub shell 12 is externally bevelled at 16.

A hub cap 17 has a radial flange '18, extending from it midway between its ends,

said flange being internally bevelled and engaging the externally bevelled end 16 of the outer hub shell 12 The inner end 19 of the hub cap is externally threaded and screws in the internally threaded part 11 of the inner hub. .The outer end of the inner hub has a plurality of ratchet teeth 20 formed therein, which ratchet teeth extend parallel to the axis of the hub. A slot,2l is formed in the sidewall of the hub cap 17 within the flange l8 and the notch 22 is formed in the flange 18 and the portion 30 of the hub cap projecting beyond the flange, saidnotch 22being in line with the slot 21. A latch 23 is housed within the hub cap, and

lies in a plane at right angles to the axis thereof having a nose 24extending through the slot 21 and engaging the ratchet teeth 20 on the inner hub. The tail 25 of the latch 23 is slidably mounted on the guide pin 26 which is fastened to the inner face of'the hub cap in line withthe axis thereof. The

compression spring 27 is disposed between the face of the hub cap and the tail 25 of the latch around the'guide pin 26: An actuating arm 28 extends from the latch 23, at right angles thereto, and its outer end is disposed in the notch 22 as shown in Figure I. The outer end of the arm 28 has a laterally projecting lug 29 which is adapted to be engaged by the bevelled or cam surface A of the forked or U-shaped wrench A which is applied to the hub cap to rotate the same. The portion 30. of the hub cap, which projects beyond the flange 18, has a pair of parallel side surfaces 31, which are adapted to be engaged by the wrench A to rotate the hub cap, and the notch 22 is formed in one of said side surfaces, as shown in Figure III.

Figure IV is similar to the corresponding parts shown in Figure I, except that the guide pin 26 is disposed closer to the side wall of the hub cap, and the latch 23 is made correspondingly shorter. The locking deviceshown in Figures VII and VIII is substantially the same, except that the latch 23 is curved and'the guide pin 26 is positioned adjacent the side wall of the hub cap and c'ldse to the slot or notch in which the actuating arm 28 works. This construction does not differ substantially from that shown in the other views, but in certain cases where the end of the axle shaft extends a considerable distance within the hub,

this affords a larger clearance within the hub cap 50 as to accommodate the axle nut 4..

From the description of the parts given above, the operation of this device should permit the hub cap to be screwed up byhand but any rotation in the opposite directlon is effectively prevented by the latch. 'When it is desired to remove the hub cap,

the wrench A is applied to the end portion.

30 of the hub cap the parallel arms of the wrench A engaging the sides 31' of such portion of thehub cap in the manner which is well'understood in the art. The notch 22 is located in one of said side walls 31 and the lug 29 projects slightly beyond said side wall and will be engaged by the cam surface A on the arm of the wrench A when said wrench is applied, thus withdrawing the latch nose 24 from the ratchet teeth 20 and permitting the free rotation of the hub cap. It will be apparent that, as soon as the wrench is removed, the latch will snap back into locking position.

I have shown this hub cap locking device applied to a demountable wire wheel, but this invention is not restricted to use in this connection and might be applied with equal facility to demountable wheels of other constructions, or might find utility in other relations.

I am aware that the particular embodiment of my invention, which I have shown and described here, is susceptible of considerable variation without departing from the.

spirit of my invention, and, therefore, I desire to claim the same broadly, as Well as specifically, as indicated by the appended claims.

Having thus described my invcntionwhat I claim as new and desire to secure by Lettcrs Patent is 1. A device of the class described com-; prising the combination of a hub cap adapted to be screwed on a relatively fixed hub member, said hub cap having a guide slot in the side wall thereof, a guide pin carried by said cap, both said 'slot and pin extending parallel to the axis of said hub cap. a latch mounted on said guide pin for reciprocation and having a locking portion extending through said means for reciprocating sai latch.

2. A device of the class described comprising the combination of a hub cap adapted to be screwed on a relatively fixed hub member and having a slot in the side wall thereof extending parallel to its axis,

and an opening in its end face in line with said slot, a latch lying within said hub cap uide slot, and

in a plane perpendicular to its axis with a locking tongue at one end extending through said slot, and an actuating arm extending from said latch through said opening in the hub cap face.

3. A device of the class described com prising the combination of a hub ca adapted to be screwed on a relatively fixed hub member and provided with a slot formed in the side wall thereof extending parallel to the axis of the hub cap, and an opening in the end face of said hub cap in line with said slot, a guide pin mounted within said hub cap and extending parallel to its axis, a latch slidably mounted on said pin with one end extending through said slot, and an actuating arm extending from said latch through said opening.

4. A device of the class described comprising the combination of a hub ca adapted to be screwed on a relatively fixed hub member and having an outer end with a pair of parallel side faces, one of which has a notch formed therein, a latch reciprocably mounted'in said hub cap and having an actuating portion lying in said notch, and a lug projecting laterally from the outer end of said portion and adapted to be engaged by a wrench applied to said parallel side faces.

A device of the class described comp prising a hub cap adapted to be screwed on arelatively fixed hub member and having a radially extending flange provided with a bevelled edge, adapted to engage the end of a removable hub mounted on said fixed hub member, and a wrench-engaging portion in front of said flange and having parallel sides, and a latch slidably mounted in said hub cap to reciprocate parallel to the axis thereof, an actuating arm extending from said latch through said flange and having an actuating finger positioned adjacent one of the parallel sides of said wrench-engaging p portion to be engaged to retract the latch by the application of a wrench to said wrenchengaging portion.

In testimony whereof, I aflix my signature.

LEWIS FINE. 

